pins and needles
n. 发麻
例句与用法：
Don't keep us all on pins and needles. Did you get promotion or didn't you?
不要让我们焦急了，你到底被提升了没有？
The close game had us on pins and needles till the very end.
由于比赛双方势均力敌，我们一直很紧张，到结束时才平静下来。
词形变化：
动词过去式: pinpricked | 动词过去分词: pinpricked | 动词现在分词: pinpricking | 动词第三人称单数: pinpricks |
ph.
手脚发麻